From owner-freebsd-hackers Thu Oct 7 11:52: 8 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from etinc.com (et-gw.etinc.com [207.252.1.2]) by hub.freebsd.org (Postfix) with ESMTP id CCDA21584E for ; Thu, 7 Oct 1999 11:51:45 -0700 (PDT) (envelope-from dennis@etinc.com) Received: from dbsys (dbsys.etinc.com [207.252.1.18]) by etinc.com (8.9.3/8.9.3) with SMTP id OAA14418; Thu, 7 Oct 1999 14:47:38 -0400 (EDT) Message-Id: <199910071847.OAA14418@etinc.com> X-Sender: dennis@etinc.com X-Mailer: QUALCOMM Windows Eudora Pro Version 4.0 Date: Thu, 07 Oct 1999 13:46:16 -0400 To: Luigi Rizzo From: Dennis Subject: Re: ARPs on a bridge Cc: hackers@FreeBSD.ORG In-Reply-To: <199910061819.TAA13766@labinfo.iet.unipi.it> References: <199910061702.NAA10711@etinc.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG The main router is the freebsd box. Broadcasts can go out of the router to the DSL customers, but they cant go from one customer to another because each is a distinct bridge group. Dennis At 07:19 PM 10/6/99 +0100, Luigi Rizzo wrote: >I still don't fully understand where, in the picture below, is the >"system" which you want to modify and what is instead standard stuff >that you cannot touch... > > >> >>From your description this is what i understand: >> > >> > customer ----[ DSL bridge ]------+----[ main router ]-- rest of net. >> > | >> > customer ----[ DSL bridge ]------+ >> > | >> > repeat 150 to 900 times | shared frame relay without >> > | multicast/broadcast support >> > customer ----[ DSL bridge ]------+ >> >> each DLCI is modeled as a PTP connection, so the system sees a physical >> interface for each channel. The bridge software just sees then as bridged >> interfaces. >> >> the "right" way to do it is to allocate a subnet to each bridge group, as >> different bridge groups cant talk at the mac layer by design. Im just >> trying to come up with an easy solution to free up addtional IP space so >> customers with only 2 address dont have to get a whole subnet. > > cheers > luigi > >-----------------------------------+------------------------------------- > Luigi RIZZO, luigi@iet.unipi.it . Dip. di Ing. dell'Informazione > http://www.iet.unipi.it/~luigi/ . Universita` di Pisa > TEL/FAX: +39-050-568.533/522 . via Diotisalvi 2, 56126 PISA (Italy) > > http://www.iet.unipi.it/~luigi/ngc99/ >==== First International Workshop on Networked Group Communication ==== >-----------------------------------+------------------------------------- > > >To Unsubscribe: send mail to majordomo@FreeBSD.org >with "unsubscribe freebsd-hackers" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message